Home / 25,140.10-37,703.92-8,499.78

Finding the Fourth Proportional to 25,140.10, 37,703.92 and 8,499.78

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Solution

The fourth proportional to 25,140.10, 37,703.92 and 8,499.78 is: 12,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.10 : 37,703.92 = 8,499.78 : x
  2. Step 2: Convert to fraction form
    25,140.10/37,703.92 = 8,499.78/x
  3. Step 3: Cross multiply
    25,140.10x = 37,703.92 × 8,499.78
  4. Step 4: Simplify right side
    25,140.10x = 320,475,025.14
  5. Step 5: Solve for x
    x = 320,475,025.14/25,140.10
  6. Step 6: Final answer
    x = 12,747.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.